The Natural Resources Council of Maine said half of electric car owners live in Cumberland County. A number of environmental groups and car dealers gathered at Revision Energy in Portland on Thursday to ask Maine people to consider making the switch to electric vehicles.

"So electric cars are an enormous opportunity to address both the environmental and the economic costs of Maine's dependence on oil and the cost of sending our dollars out of state every time we fill up a tank of gasoline," said Dylan Voorhees of the Natural Resources Council of Maine.

A test program began last November that allows local municipalities to try out a Nissan Leaf.

IT TURNS OUT MORE DRIVERS IN CUMBERLAND COUNTY ARE CHARGING UP THEIR CARS, RATHER THAN GASSING THEM UP. ACCORDING TO THE "NATURAL RESOURCES COUNCIL OF MAINE," HALF OF THE ELECTRIC CAR OWNERS IN THE STATE LIVE IN CUMBERLAND COUNTY. AT REVISION ENERGY TODAY, A NUMBER OF ENVIRONMENTAL GROUPS AND CAR DEALERS URGED DRIVERS TO MAKE THE SWITCH. THEY SHOWED OFF SOME VEHICLES, INCLUDING A TESLA. "so electric cars are an enormous opportunity to address both the environmental and the economic costs of maine's dependence on oil and the cost of sending our dollars out of state every time we fill up a tank of gasoline." THERE'S BEEN A TEST PROGRAM FOR LOCAL MUNICIPALITIES TO TRY OUT A NISSAN LEAF. IT STARTED LAST